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Technical SEO
Technical SEO AuditSchema MarkupCore Web VitalsSitemap ArchitecturehreflangCrawl Budget

技术SEO服务

审计、实施和修复Google能看到的内容

91K
Pages Indexed
Deluxe Astrology
35→94
Lighthouse Score
SleepDr migration
137K
Listings Indexed
Not Another Sunday
#3
Google Position
Days after publish
What Are Technical SEO Services?

Technical SEO services find and fix the infrastructure problems that stop search engines from crawling, rendering, and indexing your site. That means crawl audits, schema markup, Core Web Vitals optimization, sitemap architecture, hreflang configuration, and crawl budget management. The goal's simple: remove every barrier between your content and Google's index so your pages rank on their merit — not in spite of your code.

Lighthouse scores below 50 on mobile — Google deprioritizes slow pages Rankings drop as Core Web Vitals become a stronger signal; competitors sitting at 90+ are already taking your positions.
Thousands of pages published but only a fraction indexed Content investment wasted — pages that aren't indexed generate zero organic traffic.
No structured data — missing rich results in SERPs Competitors with FAQ, Product, and Review schema dominate the visual real estate and capture higher CTR.
Redirect chains and broken links piling up with every site update Crawl budget gets burned on error pages; link equity bleeds through 3–4 hop redirect chains.
Multilingual site without proper hreflang causing duplicate content flags Google serves the wrong language version to users; content cannibalizes itself across locales.
Faceted navigation and pagination creating millions of low-value URLs Crawl budget gets exhausted on filter combinations; your high-value pages get pushed back in Google's crawl queue.
Technical SEO Audit
A full Screaming Frog crawl covering broken links, redirect chains, duplicate content, missing meta tags, orphan pages, crawl depth, Core Web Vitals, mobile usability, and structured data validation. You get a prioritized fix list — estimated impact and effort for every item found.
Schema Markup Implementation
JSON-LD for every page type: Organization, LocalBusiness, Article, Product, Service, FAQPage, HowTo, BreadcrumbList, and more. Built into Next.js App Router server components and validated with Google Rich Results Test and Schema Markup Validator.
Core Web Vitals Optimization
We target Lighthouse 90+ on mobile. That means Next.js Image optimization, dynamic imports, font subsetting with display:swap, SSR, Vercel edge caching, third-party script deferral, and CSS critical path extraction.
Sitemap Architecture
For sites with 1K to 100K+ pages: a sitemap index with chunked sitemaps at 50K URLs each, dynamically generated from Supabase with ISR regeneration and GSC submission.
hreflang + International SEO
next-intl with hreflang tags in the HTML head and sitemaps. Locale-aware canonical URLs, language-specific structured data, and two-tier translation gating for multilingual sites.
Crawl Budget Optimization
robots.txt refinement, noindex/nofollow strategy, internal linking architecture overhaul, pagination handling, and faceted navigation management — all aimed at steering crawl budget toward your high-value pages.
Prioritized Fix Lists
Every audit item ranked by estimated traffic impact and implementation effort — so you fix what matters first.
13+ Schema Types
JSON-LD covering Organization, Product, Article, FAQPage, HowTo, BreadcrumbList, Review, and more.
Lighthouse 90+ Mobile
Real results: SleepDr went from Lighthouse 35 to 94 during a WordPress-to-Next.js migration.
Dynamic Sitemap Generation
Supabase-powered sitemaps with ISR regeneration — battle-tested on 91K pages for Deluxe Astrology.
30-Language hreflang
Production-proven international SEO: 118 hreflang pages, 41 namespaces, 39 locale-aware API routes.
Crawl Budget Control
robots.txt tuning, faceted navigation management, and internal linking restructure for sites with 25K–137K+ URLs.
01
Crawl & Audit
We run a full Screaming Frog crawl and catalog every broken link, redirect chain, orphan page, missing schema, and Core Web Vitals failure. You get a prioritized spreadsheet with impact and effort scores for each item.
Week 1-2
02
Architecture Plan
We design the fix strategy: schema types per page template, sitemap structure, hreflang matrix, crawl budget rules, and CWV optimization targets. You approve everything before we write a line of code.
Week 2-3
03
Implementation
Schema markup in Next.js server components, sitemap generation from Supabase, hreflang with next-intl, CWV fixes through image optimization, dynamic imports, and edge caching. Every change gets validated against Google's tools before it ships.
Week 3-6
04
Validation & Submission
Rich Results Test on every schema type, Lighthouse audit on key pages, sitemap submission to GSC, hreflang validation, and crawl stats monitoring. Nothing ships until scores hit targets.
Week 6-7
05
Monitoring & Iteration
30-day post-launch monitoring of index coverage, crawl stats, CWV scores, and rich result appearances. The ongoing tier includes monthly re-audits and continuous optimization.
Week 8+
Next.jsSupabaseVercelScreaming FrogGoogle Search Consolenext-intl

FAQ

What does a technical SEO audit include?

A full Screaming Frog crawl covering broken links, redirect chains, duplicate content, missing meta tags, orphan pages, crawl depth analysis, Core Web Vitals assessment, mobile usability, and structured data validation. The deliverable is a prioritized fix list with estimated traffic impact and implementation effort for every item found.

How long does a technical SEO audit take?

An audit-only engagement runs 1–2 weeks depending on site size. For a 10K-page site, expect the crawl and analysis in week one and the prioritized fix list in week two. Sites over 50K pages often need additional crawl passes and can push closer to 3 weeks.

What schema markup types do you implement?

We implement JSON-LD for Organization, LocalBusiness, Article, BlogPosting, Product, Service, FAQPage, HowTo, BreadcrumbList, WebSite, Event, Person, and Review. Each schema type is built into Next.js App Router server components and validated with Google Rich Results Test and Schema Markup Validator before deployment.

Can you improve Core Web Vitals on an existing Next.js site?

Yes. We've taken sites from Lighthouse 35 to 94 using Next.js Image optimization, dynamic imports for heavy components, font subsetting with display:swap, SSR, Vercel edge caching, third-party script deferral, and CSS critical path extraction. We target 90+ on mobile for every project.

How do you handle sitemaps for sites with 100K+ pages?

We build a sitemap index with chunked sitemaps at 50K URLs each, dynamically generated from Supabase queries using ISR for regeneration. We've proven this at scale — Deluxe Astrology has 91K pages indexed and Not Another Sunday has 137K listings indexed using this exact architecture.

Do you support multilingual sites with hreflang?

Yes. We implement next-intl with hreflang tags in both the HTML head and sitemaps, locale-aware canonical URLs, language-specific structured data, and two-tier translation gating. Our production record is Deluxe Astrology: 30 languages, hreflang across 118 pages, 41 namespaces, and 39 locale-aware API routes.

Technical SEO from $2,000
Audit only $2-5K · Audit + implementation $5-15K · Full ongoing $10-25K.
See all packages →
Schema Markup in Next.js: JSON-LD Structured Data GuideDynamic Sitemap for 91,000 Pages with Next.js + Supabasehreflang Tags in Next.js for 30 LanguagesSleepDr: WordPress to Next.js — Lighthouse 35 to 94

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